How to disable vertical scrolling UIScrollView? - ios

Question

Problem
http://im2.ezgif.com/tmp/ezgif-2269702568.gif
I've set the contentSize to the height that I want. However, my scrollview still has vertical scrolling. In fact there's lots of empty white space, which I'm not sure why.
And I'm not sure if it's because I do: contentOffset = CGPoint(x:0, y: self.frame.minY). But the reason I did that was because when I placed my buttons in the scroll view, I would have to scroll down to see them. contentOffset allows the buttons to be on the scrollview when it is loaded.
If someone could disable the vertical scrolling while still having the buttons show up that would be great!
Code
In my view controller I set up the custom scrollview:
class ScheduleViewController: UIViewController {
private var scheduleBar: ScheduleBar!
private let barHeight: CGFloat = 55
override func viewDidLoad() {
super.viewDidLoad()
scheduleBar = ScheduleBar(frame: CGRect(x: 0, y: (self.navigationController?.navigationBar.frame.maxY)!, width: self.view.bounds.width, height: barHeight))
scheduleBar.setUp(buttonsData: times, selected: 2)
self.view.addSubview(scheduleBar)
}
}
In the custom scrollview I set up my scrollview further:
class ScheduleBar: UIScrollView {
private var buttons: [UIButton]!
private var bar: UIView!
private var buttonWidth: CGFloat!
private var buttonPadding: CGFloat = 20
func setUp(buttonsData: [String], selected: Int){
self.backgroundColor = UIColor.white
buttons = []
for time in buttonsData{
let button = UIButton(frame: CGRect(x: 0, y: 0, width: 50, height: self.bounds.height))
button.setTitle(time, for: UIControlState.normal)
button.setTitleColor(Color.black, for: UIControlState.normal)
button.titleLabel?.font = UIFont(name: "HelveticaNeue-Medium", size: 13.0)
button.sizeToFit()
buttonWidth = button.bounds.width + buttonPadding
buttons.append(button)
}
for i in 0...(buttons.count-1){
if i == 0 {
buttons[i].frame = buttons[i].frame.offsetBy(dx:buttonPadding/2, dy: 0)
}else if i == buttons.count-1{
buttons[i].frame = buttons[i].frame.offsetBy(dx: CGFloat(i) * buttonWidth + buttonPadding/2, dy: 0)
}
else{
buttons[i].frame = buttons[i].frame.offsetBy(dx: CGFloat(i) * buttonWidth + buttonPadding, dy: 0)
}
buttons[i].center.y = (self.bounds.height/2)
addSubview(buttons[i])
}
bar = UIView(frame: CGRect(x: 0, y: self.bounds.height - 3.0, width: buttons[0].bounds.width + buttonPadding, height: 3.0))
bar.backgroundColor = Color.red
select(index: selected, animation: false)
addSubview(bar)
self.contentSize = CGSize(width: CGFloat(buttons.count) * buttonWidth + buttonPadding, height: self.bounds.height)
//reset origin of scrollview
self.contentOffset = CGPoint(x:0, y: self.frame.minY)
}
func select(index: Int, animation: Bool){
func select() -> Void{
if index == 0{
bar.frame.origin.x = CGFloat(0)
}else{
bar.frame.origin.x = buttons[index].frame.minX - buttonPadding/2
}
}
if animation {
UIView.animate(withDuration: 0.7, animations: {select()})
}else{
select()
}
scrollRectToVisible(CGRect(x: buttons[index].frame.minX, y: self.frame.minY, width: buttons[index].bounds.width, height: buttons[index].bounds.height), animated: true)
}

Answer 1

Try setting the contentSize's height to the scrollView's height. Then the vertical scroll should be disabled because there would be nothing to scroll vertically.
scrollView.contentSize = CGSizeMake(scrollView.contentSize.width,scrollView.frame.size.height);

Answer 2

Set scheduleBar.contentSize = (to your desired height so it wont have enough space to scroll up and down)
like:
scheduleBar.frame = CGRectMake(width: 100, height: 200);
scheduleBar.contentSize = CGSizeMake(scheduleBar.contentSize.width,scheduleBar.frame.size.height);
//should disable scroll for both vertical and horizontal